5Douglas C J,Staneluni R J,Rubin R A,Nester E W. Indentification and gentic analysis of an Agrobacterium tumefaciens chromosomal virulent region[J]. Bacterial, 1986, 161:850- 860.
6T J Orton, R P Steidl. Cytogenetic analysis of plants regenerated from colchicine treated callus cultures of an interspecific Hordeum hybrid[J]. Theoretical and Applied Genetics, 1980,57(2) :89-95.
7P Zhao, C Gervais, J Simmonds, W Neweomb,D H Simmonds. Inhibitory effects of filter sterilized media on microspore development and embryogenesis in Brassica napus and Triticum aestivum [J].In Vitro Cell. Dev. Biol. Plant , 2005,41:281-284.
8Thuruthiyil Dennis Thomas, Rakhi Chaturvedi. Endosperm culture: a novel method for triploid plant production[J]. Plant Cell ,2008,93(1) : 1-14.
9V Raghavan. One hundred years of zygotic embryo cuhure investigations[J].In Vitro Cellular Development Bioloy Plant, 2003,39(5) :437-442.
10Dong J Z,Perras M R,Abrams S R. Induced gene expression following ABA uptake in embryogenic suspension cultures of picea glauca[J]. Plant Physiol. Biochem ,1996,34:579 -587.
